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10. Changing Ear Pads
If an ear pad should become damaged, or if you consider
replacing it for reasons of hygiene, just change ear pads
without much ado. Grip the ear pad on one side and turn it
counterclockwise for ca. 30°. To attach place into fitting and
turn clockwise for ca. 30°.
TIP!
Replacement ear pads are available as options in both colours:
Art. 55359O InLine® PURE I accessory 2x ear pads black
Art. 55359P InLine® PURE I accessory 2x ear pads brown
11. Troubleshooting
Problem
Solution
Earphones cannot be
switched on
Ensure Earphone battery is charged.
Battery cannot be
charged
Ensure the USB power source is switched on and your PC is
not in power saving mode.
Check all connections of the USB cable at Earphones and at
the USB power source.
No Bluetooth connection
possible
Ensure Earphones and the Bluetooth device to be connected
are both switched on.
Check the available Bluetooth standard of your Bluetooth
device. InLine® Pure I Earphones support Bluetooth profiles
HSP v1.2, HFP v1.6, A2DP v1.2, AVRCP v1.4.
Ensure the play
back device‘s Bluetooth function has been
switched on.
No audio output during
playback
Ensure Earphones and Bluetooth playback device are both
switched on and that an audio file is being played back.
Check the volume settings of Earphones and playback device.
Distorted sound
Check whether other Bluetooth devices are interfering with the
used frequency within the 2.4 GHz band.
Ensure no obstacles between Earphones and Bluetooth
playback are interfering with signal transmission.
Control buttons non-
functional
Check the Bluetooth profile. For some Bluetooth playback
devices, there are operative limitations within the HFP and HSP
Bluetooth profiles. Change the profile to A2DP manually, if
necessary.
Please see your playback device’s User Manual for
details.
Low range
Check whether other Bluetooth devices are interfering with the
used frequency within the 2.4 GHz band.
Ensure no obstacles are interfering with signal transmission
between Earphones and Bluetooth playback device.
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